A ​$220 suit is marked down by ​%10. Find the sale price

To find the sale price, we need to calculate 10% of the original price and subtract that amount from the original price.

First, we calculate 10% of $220:
10% = 10/100 = 0.1
10% of $220 = 0.1 * $220 = $22

Next, we subtract $22 from $220 to find the sale price:
$220 - $22 = $198

Therefore, the sale price is $198.